Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh64-2.6

[linux-2.6-omap-h63xx.git] / fs / xfs / linux-2.6 / xfs_lrw.c

diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 5d9cfd91ad08638012b8365d7d46b4c27959e936..ee788b1cb3641a355219183f9217037d04df2a94 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -264,7 +264,9 @@ xfs_read(
                                        dmflags, &locktype);
                if (ret) {
                        xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-                       goto unlock_mutex;
+                       if (unlikely(ioflags & IO_ISDIRECT))
+                               mutex_unlock(&inode->i_mutex);
+                       return ret;
                }
        }
 
@@ -272,6 +274,9 @@ xfs_read(
                bhv_vop_flushinval_pages(vp, ctooff(offtoct(*offset)),
                                                -1, FI_REMAPF_LOCKED);
 
+       if (unlikely(ioflags & IO_ISDIRECT))
+               mutex_unlock(&inode->i_mutex);
+
        xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore,
                                (void *)iovp, segs, *offset, ioflags);
        ret = __generic_file_aio_read(iocb, iovp, segs, offset);
@@ -281,10 +286,6 @@ xfs_read(
                XFS_STATS_ADD(xs_read_bytes, ret);
 
        xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-
-unlock_mutex:
-       if (unlikely(ioflags & IO_ISDIRECT))
-               mutex_unlock(&inode->i_mutex);
        return ret;
 }
 
@@ -390,6 +391,8 @@ xfs_splice_write(
        xfs_inode_t             *ip = XFS_BHVTOI(bdp);
        xfs_mount_t             *mp = ip->i_mount;
        ssize_t                 ret;
+       struct inode            *inode = outfilp->f_mapping->host;
+       xfs_fsize_t             isize;
 
        XFS_STATS_INC(xs_write_calls);
        if (XFS_FORCED_SHUTDOWN(ip->i_mount))
@@ -416,6 +419,20 @@ xfs_splice_write(
        if (ret > 0)
                XFS_STATS_ADD(xs_write_bytes, ret);
 
+       isize = i_size_read(inode);
+       if (unlikely(ret < 0 && ret != -EFAULT && *ppos > isize))
+               *ppos = isize;
+
+       if (*ppos > ip->i_d.di_size) {
+               xfs_ilock(ip, XFS_ILOCK_EXCL);
+               if (*ppos > ip->i_d.di_size) {
+                       ip->i_d.di_size = *ppos;
+                       i_size_write(inode, *ppos);
+                       ip->i_update_core = 1;
+                       ip->i_update_size = 1;
+               }
+               xfs_iunlock(ip, XFS_ILOCK_EXCL);
+       }
        xfs_iunlock(ip, XFS_IOLOCK_EXCL);
        return ret;
 }